7228000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 19262880

約数和(自身を除く): 12034880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 139, 160, 200, 208, 250, 260, 278, 325, 400, 416, 500, 520, 556, 650, 695, 800, 1000, 1040, 1112, 1300, 1390, 1625, 1807, 2000, 2080, 2224, 2600, 2780, 3250, 3475, 3614, 4000, 4448, 5200, 5560, 6500, 6950, 7228, 9035, 10400, 11120, 13000, 13900, 14456, 17375, 18070, 22240, 26000, 27800, 28912, 34750, 36140, 45175, 52000, 55600, 57824, 69500, 72280, 90350, 111200, 139000, 144560, 180700, 225875, 278000, 289120, 361400, 451750, 556000, 722800, 903500, 1445600, 1807000, 3614000, 7228000]

約数ペア:

[(1, 7228000), (2, 3614000), (4, 1807000), (5, 1445600), (8, 903500), (10, 722800), (13, 556000), (16, 451750), (20, 361400), (25, 289120), (26, 278000), (32, 225875), (40, 180700), (50, 144560), (52, 139000), (65, 111200), (80, 90350), (100, 72280), (104, 69500), (125, 57824), (130, 55600), (139, 52000), (160, 45175), (200, 36140), (208, 34750), (250, 28912), (260, 27800), (278, 26000), (325, 22240), (400, 18070), (416, 17375), (500, 14456), (520, 13900), (556, 13000), (650, 11120), (695, 10400), (800, 9035), (1000, 7228), (1040, 6950), (1112, 6500), (1300, 5560), (1390, 5200), (1625, 4448), (1807, 4000), (2000, 3614), (2080, 3475), (2224, 3250), (2600, 2780)]